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INCOME TAXES - Tax Statutory Rate Reconciliation and Changes in Uncertain Income Tax Positions (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015
Reconciliation of the tax (benefit) provision computed at the statutory rate to the effective tax rate |  |
Statutory U.S. federal income tax rate (as a percent) | 34.00% | 34.00%
State and local income taxes, net of federal income tax benefit (as a percent) | 34.40% | 4.60%
Permanent differences (as a percent) | 12.70% | (0.40%)
Change in valuation allowance (as a percent) | (68.80%) | (38.20%)
Change in uncertain tax positions (as a percent) | (14.80%) | 0.20%
Other (as a percent) | 1.80% |
Effective income tax rate (as a percent) | (0.70%) | 0.20%
Changes in the uncertain income tax positions |  |
Beginning balance | $ 56 | $ 81
Tax positions related to prior years: |  |
Lapses in statutes of limitations | (29) | (25)
Total | (29) | (25)
Ending balance | 27 | 56
Amount of unrecognized tax benefits that would affect the effective tax rate if the tax benefits were recognized | 45 |
Penalties and Interest Accrued | $ 6 | $ 18

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